Structural Engineering and Mechanics

  • 제49권4호
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  • Pages.463-477
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  • 2014
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Seismic performance evaluation and retrofitting with viscous fluid dampers of an existing bridge in Istanbul

  • 투고 : 2012.11.16
  • 심사 : 2013.12.27
  • 발행 : 2014.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, seismic performance of Kozyatagi Bridge is evaluated by employing nonlinear elasto-plastic dynamic analysis and the deformation-based performance. The time-history records of the 1999 Izmit, 1971 San Fernando and 1989 Loma Prieta earthquakes are modified by adopting a probability of exceedance of 2% in 50 years corresponding to the return period of 2475 years. The analysis is carried out for three different bearing cases which are movable bearings, restrained bearings, and movable bearings with viscous fluid dampers in the radial direction. The analysis results show that the bridge can be retrofitted with viscous fluid dampers. In this case the reinforced concrete piers need not be strengthened by any jacketing techniques in order to preserve the original architectural appearance of the bridge. The retrofitting design of the bridge with viscous fluid dampers is also presented in detail.

키워드

참고문헌

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피인용 문헌

  1. Seismic assessment and retrofitting of existing structure based on nonlinear static analysis vol.49, pp.5, 2014, https://doi.org/10.12989/sem.2014.49.5.631
  2. Retrofitting of a weaker building by coupling it to an adjacent stronger building using MR dampers vol.62, pp.2, 2014, https://doi.org/10.12989/sem.2017.62.2.197
  3. Parametric study of pendulum type dynamic vibration absorber for controlling vibration of a two DOF structure vol.13, pp.1, 2014, https://doi.org/10.12989/eas.2017.13.1.051
  4. Comparative Seismic Fragility Assessment of an Existing Isolated Continuous Bridge Retrofitted with Different Energy Dissipation Devices vol.24, pp.8, 2014, https://doi.org/10.1061/(asce)be.1943-5592.0001425
  5. Numerical and experimental research on actuator forces in toggled active vibration control system (Part I: Numerical) vol.25, pp.2, 2020, https://doi.org/10.12989/sss.2020.25.2.229